However, phone numbers and some information will still be shared with Facebook, and there's no way we can prevent it. WhatsApp is planning to make its changes in the coming days, so you don't have long to opt out of what you're able to.

"This allows us to do things like improve our app’s performance and better coordinate," says WhatsApp.

The app's end-to-end encryption will also be stopped. The company implemented it earlier this year and claimed it made conversations more secure.